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| author | steven <steven@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-09-29 12:25:10 +0000 |
|---|---|---|
| committer | steven <steven@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-09-29 12:25:10 +0000 |
| commit | 908cb59d263cca413d6a47836cee043d3b3b9ece (patch) | |
| tree | bb658ab7113eb0a075f5c79afff242ff5018b2f5 /gcc/testsuite/gcc.dg/pr23911.c | |
| parent | 19e4a816898df7c2152b9a14ff4d99e6881961d5 (diff) | |
| download | gcc-908cb59d263cca413d6a47836cee043d3b3b9ece.tar.gz | |
gcc/
PR tree-optimization/23911
* tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
and IMAGPART_EXPR too.
testsuite/
* gcc.dg/pr23911.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@104771 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr23911.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr23911.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr23911.c b/gcc/testsuite/gcc.dg/pr23911.c new file mode 100644 index 00000000000..1003075b39d --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr23911.c @@ -0,0 +1,22 @@ +/* This was a missed optimization in tree constant propagation + that CSE would catch later on. */ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-store_ccp" } */ + +double _Complex *a; +const double _Complex b[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; + +void +test (void) +{ + a[0] = b[0] + b[1]; + a[1] = b[0] + b[1]; + return; +} + +/* After store_ccp, there should not be any assignments from real or + imaginary parts anymore. The constants should be loaded from b and + propagated into the elements of a. */ +/* { dg-final { scan-tree-dump-times "= CR" 0 "store_ccp" } } */ +/* { dg-final { scan-tree-dump-times "= CI" 0 "store_ccp" } } */ +/* { dg-final { cleanup-tree-dump "store_ccp" } } */ |